*{
    margin: 0;
    padding: 0;
}
body {
    background-image: url(pic/背景.jpg);
        background-size: cover;
            background-repeat: no-repeat;
}
.header {
   
        background: url('pic/传承.png') no-repeat center/cover;
            position: relative;
            height: 300px;
            
}
 .header::after {
     content: '';
     position: absolute;
     bottom: 0;
     left: 0;
     width: 100%;
     height: 180px;
     border-radius: 50% ;
     background: radial-gradient(circle at left ,circle at right, rgba(0, 0, 0, 0.25), transparent);
     box-shadow: 0 20px 20px rgba(0, 0, 0, 0.4);
 }

.container {
    margin-top: 40px;
    padding: 10px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
   

}
h1 {
    text-align: center;
    line-height: 80px;
}

.person {
    display: flex;
        align-items: center;
        width: 48%;
        margin: 10px;
        background-image: url(pic/背景1.jpg);
        background-size: cover;
        background-repeat: no-repeat;

    @media (max-width: 768px) {
        width: 100%;
    }
}

.circle-img {
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.3s ease;
    width: 150px;
    height: 150px;

    @media (max-width: 768px) {
        width: 50%;
        margin: 0 auto;
    }
}

.circle-img:hover {
    transform: scale(1.3);
}
.left  {
margin: 40px 30px;
text-align: center
}
.right{
    width: calc(100% - 150px - 20px);
    margin-right: 20px;
}
.footer {
    display: flex;
    justify-content: center;
        align-items: center;
    background-color: #3a2e45;
        padding: 3% 0;
        margin-top: 5%;
        width: 100%;
        height: auto;
}
.footer p {
    color: aliceblue;
}
.tu {
  
    background-image: url(pic/底部.png);
    background-repeat: no-repeat;
    background-size: cover;
   
    width: 70px;
    height: 70px;

}